10 year battery life-Brojensmarthome

10 Year Battery Warranty

A built-in 10-year lithium batteryAny quality problems caused by product during the 10-year warranty period: Free of charge

Lightweight Design

Smallest & Slimmest

A quarter smaller than products on the market
The compact looking will fit well into your home’s decorating style

EN50291:2018&TUV Building

Latest Standards Approved by TUV

Meets the latest EN50291-1:2018  approved by TUV
More comprehensive than EN50291-1:2010
Higher requirements for product detection and anti-interference

Exquisite Display of CO Alarm

Stylish Design with LCD Display

Real-time display of CO concentration in blood and environment
Trigger the red light and send out an 85 dB alarm sound when the concentration exceeds the standard

Portable for travel

Portable & Colorful

Not take up much space
More convenient for travel and home use

Stove Heating

Installation within 1 minute

No need to load and replace the battery
Insert the product into the base to activate, easy operation

Latest EN50291:2018


The latest date by which EN50291:2018 has to be implemented at the national level by publication of an identical national standard or by endorsement


The latest date by which the national standards conflicting with EN50291:2018 have to be withdrawn


Main differences compared to the previous edition EN50291:2010

End of life indicator has been made mandatory and must include an audible and visible warning

Requirements for mains powered alarms with back-up supply have been added


Most frequent questions and answers


  • Any faulty or incorrectly installed combustion equipment
  • Stove, gas stove, water heater, fireplace, generator and wood burning stove, etc
  • Chimney or flue blockage
  • Operate the grill in an enclosed space
  • Vehicles, generators and other internal combustion engines operating in garages
  • Mild exposure – mild headache, nausea, vomiting, fatigue, flu like symptoms
  • Moderate exposure – throbbing headache, drowsiness, confusion, increased heart rate
  • Extreme exposure – convulsions, unconsciousness, brain injury, car diopulmonary failure, and subsequent death


  • Install carbon monoxide alarms on each floor and bedroom at home
  • Arrange professional inspectors to check the heating system, vents, chimneys and flues at home every year
  • Regularly check the vent and chimney for improper connection, visible rust and stains, and clean them in time
  • Only buy safe electrical appliances approved by the state or professional institutions
  • Do not let your car spin in a closed garage or use fuel driven appliances or tools in a closed, connected area (such as garage or porch). Carbon monoxide can seep into your home through vents and doors
  • Every home with combustion equipment should install one or more carbon monoxide alarms
  • If there is only one carbon monoxide alarm in the home, it should be installed in the corridor outside the master bedroom or sleeping area
  • Alarms should be installed on every floor and sleeping area of the home
  • Place the alarm at least 15 feet from the fuel combustion equipment
  • Do not place the equipment in a dead space or near a window or door, and ensure that nothing covers or hinders the normal operation of the equipment

At present, the popular carbon monoxide detectors on the market mainly include the following types:

Sealed battery carbon monoxide detector: the battery life of this detector is generally 10 years. There is no need to replace the battery halfway. After the battery runs out, it will sound to remind you to replace the detector

Plug in carbon monoxide detector: insert the device into the charging socket to make it operate. Advantages: no need to replace the battery; Disadvantages: it must be installed at the socket, and the equipment cannot be placed arbitrarily

Intelligent carbon monoxide detector: it can be connected to the mobile phone app, and when the alarm is triggered, it can be communicated to the owner through the app. Disadvantages: the cost is about 4 times that of a normal carbon monoxide detector

After comparing the above types of carbon monoxide detectors, the sealed battery carbon monoxide detector has moderate price, can be placed at will, long battery life and high cost performance, which is suitable for customers to buy